JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" title="Open Menu" class="menu"></a>

CSS

.menu {
    width:30px;
    height:5px;
    background-color:#000;
    position:relative;
    display:inline-block;
}
	.menu:after, .menu:before {
	    content: '';
	    width: 100%;
	    height:5px;
	    background-color:#000;
	    position:absolute;
	}
	.menu:after {
	    top:10px;
	    left:0;
	}
	.menu:before {
	    top:20px;
	    left:0;
	}